Intro to Modulo

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1) What is 17 mod 5?

Explanation

17=5×3+2. The remainder is 2.

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About This Quiz
Intro To Modulo - Quiz

What happens when numbers don’t divide evenly? That’s where modulo comes in! In this quiz, you’ll explore what “mod” really means, practice finding remainders, and try simple problems like a mod n. Take this quiz to build your foundation in modular arithmetic and get confident working with remainders.

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2) What is 25 mod 7?

Explanation

25=7×3+4.

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3) Compute 40 mod 9.

Explanation

40=9×4+4.

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4) What is 19 mod 6?

Explanation

19=6×3+1.

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5) If 22 ÷ 4 = 5 remainder r, what is r?

Explanation

22=4×5+2.

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6) Find 100 mod 12.

Explanation

100=12×8+4.

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7) Compute 55 mod 8.

Explanation

55=8×6+7.

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8) Which is the same as 29 mod 10?

Explanation

29=10×2+9.

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9) What is 81 mod 9?

Explanation

81 is a multiple of 9 → remainder 0

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10) Find 73 mod 6.

Explanation

73=6×12+1.

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What is 17 mod 5?
What is 25 mod 7?
Compute 40 mod 9.
What is 19 mod 6?
If 22 ÷ 4 = 5 remainder r, what is r?
Find 100 mod 12.
Compute 55 mod 8.
Which is the same as 29 mod 10?
What is 81 mod 9?
Find 73 mod 6.
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